Home / 839,846.23-1,158,987.76-477,270.79

Finding the Fourth Proportional to 839,846.23, 1,158,987.76 and 477,270.79

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Solution

The fourth proportional to 839,846.23, 1,158,987.76 and 477,270.79 is: 658,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,846.23 : 1,158,987.76 = 477,270.79 : x
  2. Step 2: Convert to fraction form
    839,846.23/1,158,987.76 = 477,270.79/x
  3. Step 3: Cross multiply
    839,846.23x = 1,158,987.76 × 477,270.79
  4. Step 4: Simplify right side
    839,846.23x = 553,150,999,724.88
  5. Step 5: Solve for x
    x = 553,150,999,724.88/839,846.23
  6. Step 6: Final answer
    x = 658,633.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.